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/*
 *
 *
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 *
 * Copyright (c) 2000 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.
 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

package org.w3c.dom.css;

import org.w3c.dom.DOMException;
import org.w3c.dom.stylesheets.MediaList;

/**
 * The <code>CSSMediaRule</code> interface represents a @media rule in a CSS style sheet. A
 * <code>@media</code> rule can be used to delimit style rules for specific media types. <p>See also
 * the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model
 * (DOM) Level 2 Style Specification</a>.
 *
 * @since DOM Level 2
 */
public interface CSSMediaRule extends CSSRule {

  /**
   * A list of media types for this rule.
   */
  public MediaList getMedia();

  /**
   * A list of all CSS rules contained within the media block.
   */
  public CSSRuleList getCssRules();

  /**
   * Used to insert a new rule into the media block.
   *
   * @param rule The parsable text representing the rule. For rule sets this contains both the
   * selector and the style declaration. For at-rules, this specifies both the at-identifier and the
   * rule content.
   * @param index The index within the media block's rule collection of the rule before which to
   * insert the specified rule. If the specified index is equal to the length of the media blocks's
   * rule collection, the rule will be added to the end of the media block.
   * @return The index within the media block's rule collection of the newly inserted rule.
   * @throws DOMException HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the
   * specified index, e.g., if an <code>@import</code> rule is inserted after a standard rule set or
   * other at-rule. <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion
   * point. <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly. <br>SYNTAX_ERR:
   * Raised if the specified rule has a syntax error and is unparsable.
   */
  public int insertRule(String rule,
      int index)
      throws DOMException;

  /**
   * Used to delete a rule from the media block.
   *
   * @param index The index within the media block's rule collection of the rule to remove.
   * @throws DOMException INDEX_SIZE_ERR: Raised if the specified index does not correspond to a
   * rule in the media rule list. <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is
   * readonly.
   */
  public void deleteRule(int index)
      throws DOMException;

}
